← Back to Writeups
CUSTOMHardPROWeb

Lab 354 — VaultAPI — JWT Authentication Bypass via JWE-Wrapped PlainJWT

XESXOR9/10/20265 min read
#web#custom#hard#cve_2026_29000_pac4j_plainjwt_#decoy_flag_identification#jwe_encryption_with_jwks_publi#jwt_alg_none_signature_bypass#privilege_escalation_via_forge#cve-2026-29000

This is a Pro writeup

Unlock the full step-by-step walkthrough for Lab 354 — VaultAPI — JWT Authentication Bypass via JWE-Wrapped PlainJWT and get unlimited access to every pro writeup, pro course, and live session.